Question: Who is the child of Isabella I of Castile and when were they born?
Paraphrase: Give me the name of child of Isabella I of Castile and his birth date
SPARQL (Wikidata): SELECT ?value1 ?obj WHERE { wd:Q45859 p:P40 ?s . ?s ps:P40 ?obj . ?s pq:P569 ?value1 . }